// Copyright 2013 Petar Maymounkov
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package fuserh

import (
	"circuit/kit/fuse"
	"circuit/kit/rh"
)

func (r *RH) release(req *fuse.ReleaseRequest, hdr *fuse.Header) interface{} {
	fid2 := r.handle.Scrub(req.Handle)
	if fid2 == nil {
		Debugf("-> %#x %v", hdr.ID, fuse.ESTALE)
		return fuse.ESTALE
	}
	fid2.Clunk()
	return nil
}

func (r *RH) rename(req *fuse.RenameRequest, nodeFID rh.FID) interface{} {
	fid2 := r.node.Lookup(req.NewDir)
	if fid2 == nil {
		return fuse.EPERM
	}
	if err := nodeFID.Move(fid2, req.NewName); err != nil {
		return RHError{err}.FUSE()
	}
	return nil
}
